US Capitol Police stand guard in front of the House Chambers of Capitol Hill ahead of US President Obama's State of the Union address. (AFP PHOTO/Jim WATSON)

In his State of the Union tonight, President Obama will, as he has before, defend the role of government in making lives better. At the same time, he will emphasize that he does not plan to increase the deficit and that he is not for "bigger government" but "smarter government."

The full excerpts: